We need a COP process that offers delivery, not delay. We demand COPs that are platforms for government and stakeholder ambition, not enablers of fossil energy contracts and growing greenhouse gas emissions.

Major industry players are working together to create a voluntary global standard that can certify minerals as responsibly produced. But such a framework would consolidate the power and influence of these mining giants and allow them to act with impunity, while providing false assurances to investors, governments, and consumers. By Chelsea Hodgkins

Measuring environmental impact has historically been prohibitively expensive, but technology can change the equation. Blockchain advocate Sunny Lu argues that verified sustainability can help brands build trust with eco-conscious consumers. By Sunny Lu